MyJavaScriptCode/mouseImageChange.html at master · YuHe0108/MyJavaScriptCode · GitHub

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<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>容器属性</title>
	<link rel="stylesheet" href="">
	<style>
		*{
			margin: 0;
			padding: 0;
			list-style: none;
		}
		.c_father {
			margin-left: 33%;
			margin-top: 5%;
		}
		#i_smouse{
			width: 360px;
			height: 60px;
			box-sizing: border-box;
		}
		.c_bmouse{
			height: 430px;
			width: 430px;
			margin-bottom: 20px;
		}
		ul{
			height: 60px;
			width: 430px;

			display: flex;
			align-items: center;
			justify-content: space-between;

			cursor: pointer;
		}
		.actived{
			border: 2px solid #000;
			box-sizing: border-box;
		}
	</style>
</head>
<body>
	<div class="c_father">
		<div class="c_bmouse">
			<img src="mouse/big_mouse1.jpg" alt="" id="i_big">
		</div>
		<div id="i_smouse" class="c_smouse">
			<ul>
				<li><a href="http://www.baidu.com"><img src="mouse/small_mouse1.jpg" alt=""></a></li>
				<li><img src="mouse/small_mouse2.jpg" alt=""></li>
				<li><img src="mouse/small_mouse3.jpg" alt=""></li>
				<li><img src="mouse/small_mouse4.jpg" alt=""></li>
				<li><img src="mouse/small_mouse5.jpg" alt=""></li>
			</ul>
		</div>
	</div>
	<!--
		容器属性的用法：

	 -->
	 <script>
	 	window.onload = function () {
	 		var oBigImg = document.getElementById('i_big'); //获得大图片的标签元素
	 		var bigSrc = oBigImg.getAttribute("src");//获取大图片的src
	 		// oBigImg.setAttribute("src", "mouse/big_mouse2.jpg");

	 		var oSmaImg = document.getElementsByTagName('img');
	 		for (var i = 1; i < oSmaImg.length; i++) {
	 			oSmaImg[i].index = i;
	 			oSmaImg[i].onmouseover = function () {
	 				var src = "mouse/big_mouse" + this.index + ".jpg";
	 				// console.log(src);
	 				oBigImg.setAttribute("src", src);
	 				this.className = "actived";
	 			};
	 			oSmaImg[i].onmouseout = function () {
	 				this.className = "";
	 			};
	 		}


	 	};
	 </script>
</body>
</html>